*{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body {
  background-color: #fff;
  overflow-x: hidden;
  min-height: 100vh;
}
header{
  position: absolute;
  top:0;
  left: 0;
  width: 100%;
  padding: 50px 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}
/* h6 {
  color: #fff;
  font-size: 4em;
} */

.logo{
  color: #112434;
  font-weight: 700;/* 字体粗细 */
  font-size: 3em;/* 字体大小 */
  text-decoration: none;
}
.navigation{
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}
.navigation li {
  list-style: none;
}
.navigation li a{
  text-decoration: none;
  padding: 6px 15px;
  color: #112434;
  border-radius: 20px;
}
.navigation li a:hover{
  background-color: #112434;
  color: #fff;
}
.navigation li a.active{
  background-color: #112434;
  color: #fff;
}

.parallax{
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.parallax img{
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  pointer-events: none;
}
#text{
  position: absolute;
  top:50%;
  transform: translateY(-50%);
  font-size: 4em;
  color: #112434;
}
.sec{
  position: relative;
  padding: 100px;
  background-color: #112434;
}
.sec h2 {
  font-size: 3em;
  color: #fff;
  margin-bottom: 42px;
}
.sec p {
  font-size: 1em;
  color: #fff;
  font-weight: 300;
}